500610505501 has 4 divisors (see below), whose sum is σ = 503231503104. Its totient is φ = 497989507900.

The previous prime is 500610505487. The next prime is 500610505523. The reversal of 500610505501 is 105505016005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 105505016005 = 5 ⋅21101003201.

It is a cyclic number.

It is not a de Polignac number, because 500610505501 - 2⁵ = 500610505469 is a prime.

It is a super-2 number, since 2×500610505501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 500610505501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500610505001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310498515 + ... + 1310498896.

It is an arithmetic number, because the mean of its divisors is an integer number (125807875776).

Almost surely, 2^500610505501 is an apocalyptic number.

It is an amenable number.

500610505501 is a deficient number, since it is larger than the sum of its proper divisors (2620997603).

500610505501 is a wasteful number, since it uses less digits than its factorization.

500610505501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620997602.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 500610505501 in words is "five hundred billion, six hundred ten million, five hundred five thousand, five hundred one".